/*
 * Copyright 2010 Francisco Modesto
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.googlecode.gwt.tinyaop.rebind;

import com.google.gwt.core.ext.typeinfo.JPrimitiveType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.user.rebind.SourceWriter;

public class ReturnBuilder implements Builder {
  private JType returnType;
  private Builder invocation;
  
  public ReturnBuilder(JType returnType, Builder invocation) {
    this.returnType = returnType;
    this.invocation = invocation;
  }

  @Override
  public void create(SourceWriter writer) {
    if (returnType.isPrimitive() != null) {
      JPrimitiveType type = returnType.isPrimitive();
      if (!type.equals(JPrimitiveType.VOID)) {
        writer.print("return (" + boxingType(type) + ") ");
      }
    }
    else {
      writer.print("return (" + erasure() + ") ");
    }
    invocation.create(writer);
  }

  private String boxingType(JPrimitiveType primitive) {
    return primitive.getQualifiedBoxedSourceName();
  }

  private String erasure() {
    return returnType.getErasedType().getQualifiedSourceName();
  }
}
